Calculators

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Basic calculatorAdd, subtract, multiply and divide with brackets.Prime factorisationFind di prime factors of a whole number.Multiples of a numberShow di first multiples of a whole number.Roman numeral converterConvert a whole number to standard Roman numeral. Convert a standard Roman numeral to a whole number.Fraction to decimalConvert a fraction to decimal; repeating decimals dey shown too.Decimal to fractionConvert a terminating decimal to an exact simplified fraction. Convert a repeating decimal to an exact simplified fraction.Number base converterChange whole numbers between binary, octal, decimal and hexadecimal; no round di numbers.Scientific notationWrite a decimal number in exact scientific notation. Convert scientific notation to an exact decimal number.Round decimalsRound a number to di decimal places wey you choose.Random integer generatorGenerate random whole numbers within a range including both limits; you fit allow or prevent repeats.Scientific calculatorWork out expressions wey get real numbers, powers, brackets and common functions.Two linear equationsSolve two linear equations with two variables; cases with no solution or infinitely many solutions dey shown too.Arithmetic sequenceFind di nth term and sum from di first term and common difference.Geometric sequenceFind di nth term and sum from di first term and common ratio.Arithmetic meanCalculate di arithmetic mean of numbers.MedianFind di middle value after sorting or di average of di two middle values.Standard deviation and variance calculatorCalculate di population standard deviation. Calculate di sample standard deviation.PercentileCalculate percentile with type 7 linear interpolation. Subtract Q1 from Q3 with type 7 interpolation.Fraction calculatorEnter whole numbers up to 15 digits without separators. Denominator no fit be zero.Percentage calculatorFind percentage of a number.Percentage changeCompare original and new values as percentage.Ratio calculatorSimplify di ratio of two whole numbers.Power calculatorCalculate base raised to a power.Square root calculatorFind square root of a non-negative number.Logarithm calculatorCalculate logarithm for di base wey you choose.Linear equation calculatorSolve linear equation with one unknown.Quadratic equation calculatorFind real or complex roots of quadratic equation.Factorial calculatorFind factorial of a non-negative whole number.Highest common factorFind highest common factor of two whole numbers.Lowest common multipleFind lowest common multiple of two whole numbers.Circle calculatorCalculate circle area and circumference from radius.Rectangle calculatorCalculate rectangle area and perimeter.Triangle areaCalculate area from base and height.Parallelogram areaCalculate area from base and perpendicular height.Trapezoid areaCalculate area from di parallel sides and height.Rectangular prismCalculate volume and surface area of a rectangular prism.Cylinder calculatorCalculate cylinder volume and surface area.Sphere calculatorCalculate sphere volume and surface area.Cone calculatorCalculate cone volume and surface area.Pythagorean theoremFind di hypotenuse from di two perpendicular sides.Discount calculatorCalculate discount and final price.Sales tax calculatorAdd tax with di rate wey you enter.Price before tax joinSeparate tax from price wey already include tax.Profit calculatorCalculate profit, margin and markup from cost and selling price.Tip calculatorCalculate tip and share di bill.Investment returnCalculate gain and return percentage; tax and annualisation no dey included.Debt-to-income ratioCompare monthly debt payments with gross monthly income; dis no decide loan eligibility.Simple interest calculatorEstimate interest without interest on interest.Compound interest calculatorEstimate with fixed annual rate and compounding frequency wey you choose.Loan calculatorEstimate monthly payment with fixed rate; fees and insurance no dey included.Mortgage calculatorEstimate monthly principal and interest with fixed rate; property tax, insurance and fees no dey included.Car loan calculatorEstimate monthly payment from car price and down payment; tax and fees no dey included.Permutations calculatorCount arrangements without repetition. Count arrangements when repetition dey allowed.Combinations calculatorCount selections without repetition. Count selections when repetition dey allowed.BMI calculatorEstimate body mass index from weight and height. BMI na screening measure, no be diagnosis.Running pace calculatorCalculate minutes per kilometre from distance and time.Fuel consumption calculatorCalculate fuel consumption and cost from distance, fuel and price.Electricity cost calculatorEstimate energy use and cost from power, time and rate.Speed calculatorCalculate average speed from distance and time.Grade percentage calculatorCalculate percentage from points earned and possible points.Unit price calculatorCalculate price per unit from total price and quantity.Celsius to FahrenheitConvert temperature from Celsius to Fahrenheit.Fahrenheit to CelsiusConvert temperature from Fahrenheit to Celsius.Kilometres to milesConvert distance from kilometres to miles.Miles to kilometresConvert distance from miles to kilometres.Kilograms to poundsConvert weight from kilograms to pounds.Pounds to kilogramsConvert weight from pounds to kilograms.Add days to a dateAdd days to or subtract days from a date.Time differenceCalculate time between start and end.Day of the weekFind di day of di week for a date.ISO week numberFind di ISO week and week year for a date.Working days calculatorCount Monday to Friday from the start date, but no count the end date. You fit remove holidays you enter; holidays no dey load automatically.Date differenceCount calendar days between two dates.Age calculatorCalculate age from birth date and reference date.Loan early repayment calculatorEstimate how extra monthly principal payments affect repayment time and interest for a fixed-rate loan.Weighted grade average calculatorCalculate weighted average from percentage grades and di weight of each one.Overtime pay calculatorEstimate gross overtime pay with hourly rate, overtime hours and multiplier wey you enter.GPA calculator by course creditsCalculate grade point average using course credits for di scale wey you choose.Final exam score calculatorCalculate di exam score wey you need to reach your target final grade.Salary converterEstimate gross weekly, monthly and yearly pay from your hourly rate. Estimate gross hourly, weekly and monthly pay from annual salary and your work schedule.Length unit converterConvert metric, international inch-to-mile and nautical mile length units.Area unit converterConvert square metric and international units, hectares and acres.Volume unit converterVolume unit converter: mL, L, m³, gal US, gal UK, fl oz US, fl oz UK.Weight and mass unit converterWeight and mass unit converter: mg, g, kg, t, oz, lb, st.Linear inequality calculatorax + b < 0 Probability calculatorEvery result must get equal chance.Probability of two eventsP(A), P(B)Unix timestamp converterE uses UTC, no be local time zone.Speed unit converterSpeed unit converter: m/s, km/h, mph, kn, ft/s.Pressure unit converterPressure unit converter: Pa, kPa, MPa, bar, mbar, psi, atm.Energy unit converterEnergy unit converter: J, kJ, cal(th), kcal(th), Wh, kWh.Power unit converterPower unit converter: W, kW, MW, hp(mech), hp(metric).Time unit converterTime unit converter: ms, s, min, h, d, wk.Data storage unit converterData storage unit converter: b, B, kB, MB, GB, KiB, MiB, GiB.Data transfer rate converterData transfer rate converter: b/s, kb/s, Mb/s, Gb/s, B/s, kB/s, MB/s, MiB/s.Download time calculatorE assumes constant speed; network overhead and slowdown no dey included.Screen aspect ratio calculator16 : 9 Electric vehicle charging cost calculator / Electric vehicle charging time calculatorEnter energy wey come from grid and price per kWh. Other fees no dey included. Enter energy wey reach the battery and average charging power. Actual power fit change.Slope calculatorΔh / d Regular polygon calculatorn, a Reading time calculatorNumber of words / Words per minute Pixel to print size calculatorpx / PPI Attendance calculatorSessions wey you attend / Total sessions Recipe scaling calculatorOriginal servings / Servings wey you want Hours and minutes to decimal hoursDecimal hours na nearest minute dem round am to when converting to hours:minutes.Steps to distance calculatorNumber of steps / Length of one step Break-even calculatorFixed costs / Selling price for each unit Inflation calculatorThe yearly rate wey you enter stays constant for this estimate; na not live inflation data. Buying power is shown in today’s money.Sales commission calculatorBefore tax and deductions. Commission is rounded to two decimal places; exact half is rounded up.Target gross margin price calculatorMargin na profit divided by selling price. Include relevant costs and taxes in the cost you enter. Price is rounded up to two decimal places.Fuel economy unit converterL/100 km, km/L, mpg US, mpg UK Zero-interest instalment calculatorAssumes zero interest and one fixed fee you enter. To keep the total exact, some payments may be 0.01 higher. Other charges are not included.Compound yearly growth rate (CAGR) calculatorE show di average compound yearly rate between two positive values. E no include money wey enter or leave for middle, fees or tax.Trigonometry function calculatorsin, cos, tan Angle converter: degrees and radians° / rad Cooking volume convertermL / L Time zone converterE uses your device time zone data, which fit don old. Clock changes fit skip or repeat local time; e show both possible times.Dividend calculatorEstimate yearly dividends and yield from the annual dividend per share and current price you enter. Dividends fit change; tax no dey included and prices no be live.Stock average price calculatorEnter quantities and purchase prices on matching lines, up to 500 buys in one currency. Fees dey included; sales, stock splits and tax-basis rules no dey included.Compare loan payment methodsSee monthly principal, interest and balance for a fixed-rate loan. Estimate loan wey get fixed rate, equal principal payments and interest wey dey reduce.Equal principal loan calculatorEstimate loan wey get fixed rate, equal principal payments and interest wey dey reduce.Race time calculatorEstimate finish time with steady pace; stops and pace changes no dey inside.Pace and speed converterChange minutes per kilometre to speed and pace per mile, or enter km/h to change back. Time dey round to the nearest second.Graph calculatorDraw y as a function of x for the range you choose. Sampling fit miss discontinuities; trigonometry functions use radians.Add work days from dateAdd or remove Monday to Friday without counting the start date. We skip weekends and holidays you enter; holidays no dey load automatically.Work hours calculatorIf end time earlier than start, na next day; equal times mean zero hours. Unpaid break dey removed. Calculation uses clock time and no adjust for daylight-saving changes.Regular savings calculatorEstimate regular money wey you put in with fixed yearly return and compounding each period. Return no get guarantee; fees and tax no dey inside.Countdown timerE uses your device time zone data, which fit don old. Clock changes fit skip or repeat local time; e show both possible times.Present and future value calculatorOne amount, fixed rate and equal compounding periods; no extra payment, fees or tax.Calculator for nominal and effective yearly interestRate stay fixed and compounding periods equal; fees and tax no join.Gold value calculatorEnter your own pure gold price; no live price is provided. This estimates metal value only; taxes, testing and dealer premiums are not automatic. Values are rounded to two decimals, half up.Temperature converterTemperature converter: °C, °F, K.Tile calculatorEstimate rectangular tiles for a rectangular floor, including allowance for waste.Paint calculatorEstimate paint from wall area minus doors and windows, coverage and number of coats.Concrete volume calculatorEstimate concrete volume for a rectangular slab from length, width and thickness.